Analysis
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max time kernel
91s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
30/01/2024, 22:22
Static task
static1
Behavioral task
behavioral1
Sample
82b6aefc08b359173217678342f22080.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
82b6aefc08b359173217678342f22080.exe
Resource
win10v2004-20231222-en
General
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Target
82b6aefc08b359173217678342f22080.exe
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Size
1.3MB
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MD5
82b6aefc08b359173217678342f22080
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SHA1
7318475d895614ffe34e690045674ac46331e26e
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SHA256
9be1467f145c688ecea5a3c8e25d870a53da1f17b3c7de248ef57123fa2b32ca
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SHA512
c6af2a1bd5c1cbd306a99dd3bd7090de00eeef806d7260cd569093a3d7649125a67b9d7b4ac2944fda0a2884f2e17865b88fd904bd221eb2bc7ea6f4ba08b6ab
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SSDEEP
12288:Vc9JbxZOZJz4Cs1MGtbgE6vtx+GC84jvYV7uKqSJrg3yFwEn0wvqybK4HtLGEUBI:m/OP/GFz6vj+hzs8
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.niftylabs.com - Port:
587 - Username:
[email protected] - Password:
MM3NDDU4K3WI - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/1520-16-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation 82b6aefc08b359173217678342f22080.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 22 checkip.dyndns.org 26 freegeoip.app 27 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4464 set thread context of 1520 4464 82b6aefc08b359173217678342f22080.exe 96 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 3664 1520 WerFault.exe 96 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3768 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4464 82b6aefc08b359173217678342f22080.exe 1520 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4464 82b6aefc08b359173217678342f22080.exe Token: SeDebugPrivilege 1520 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4464 wrote to memory of 3768 4464 82b6aefc08b359173217678342f22080.exe 94 PID 4464 wrote to memory of 3768 4464 82b6aefc08b359173217678342f22080.exe 94 PID 4464 wrote to memory of 3768 4464 82b6aefc08b359173217678342f22080.exe 94 PID 4464 wrote to memory of 1520 4464 82b6aefc08b359173217678342f22080.exe 96 PID 4464 wrote to memory of 1520 4464 82b6aefc08b359173217678342f22080.exe 96 PID 4464 wrote to memory of 1520 4464 82b6aefc08b359173217678342f22080.exe 96 PID 4464 wrote to memory of 1520 4464 82b6aefc08b359173217678342f22080.exe 96 PID 4464 wrote to memory of 1520 4464 82b6aefc08b359173217678342f22080.exe 96 PID 4464 wrote to memory of 1520 4464 82b6aefc08b359173217678342f22080.exe 96 PID 4464 wrote to memory of 1520 4464 82b6aefc08b359173217678342f22080.exe 96 PID 4464 wrote to memory of 1520 4464 82b6aefc08b359173217678342f22080.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\82b6aefc08b359173217678342f22080.exe"C:\Users\Admin\AppData\Local\Temp\82b6aefc08b359173217678342f22080.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ikzxGmHjkZst" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB630.tmp"2⤵
- Creates scheduled task(s)
PID:3768
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1520 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 17683⤵
- Program crash
PID:3664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1520 -ip 15201⤵PID:3816
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD57a851e5aab6a4a0c52af07561e3834cd
SHA12f4e9b4f556f5e7be8c21d1f87e3d42a0dbe6ae8
SHA256173d2b53c73db63c80b425af44ed66aac027586714189d6e6b95d49db752b842
SHA512b406c157c35a096fcc3fbf4164fb0b347ab6ac946d058d45505d4a4c5ec9fc3981e00742c6ca1f7d40ce74a7ae3825be43f0cad82744b58c5b10c87a32e1a588